三、能力提升
(一)
No. 1 Middle School
Don't run in the hallways（走廊）.
Don't bring food into the classroom.
Don't listen to music in class.
You have to wear your school uniforms.
No. 2 Middle School
Don't bring food into the classroom.
Don't wear a hat in class.
You have to wear your school uniforms.
Don't go into the teachers' offices when there are no teachers around.
No. 3 Middle School
Don't listen to music in the classroom.
Don't run in the hallways.
Don't go into the teachers' offices when there are no teachers around.
You have to wear sports shoes for the gym class.
() 1. How many rules are the same in the three schools?
A. One.
B. Two.
C. Three.
D. None.
() 2. What must the students do in No. 1 and No. 2 Middle School?
A. Wear sports shoes.
B. Wear school uniforms.
C. Listen to music.
D. Wear a hat.
() 3. What mustn't the students do in No. 1 and No. 2 Middle School?
A. Wear a hat in class.
B. Listen to music in class.
C. Run in the hallways.
D. Bring food into the classroom.
() 4. What mustn't the students do in No. 1 and No. 3 Middle School?
A. They mustn't go into the teachers' offices without a teacher.
B. They mustn't bring food into the classroom.
C. They mustn't eat food in class.
D. They mustn't run in the hallways.
() 5. What do students have to wear for the gym class in No. 3 Middle School?
A. School uniforms.
B. White T-shirts.
C. Sports shoes.
D. Jeans.

1. D
2. B
3. D
4. D
5. C

1. 对比三所学校列出的全部校规，没有任何一条规则是三所学校同时共有的，因此相同规则的数量为0。
2. 查看第一中学和第二中学的校规内容，两所学校都明确要求学生必须穿校服。
3. 查找第一中学和第二中学共有的禁止类规则，两所学校都规定不允许将食物带进教室。
4. 查找第一中学和第三中学共有的禁止类规则，两所学校都规定不允许在走廊里奔跑。
5. 第三中学的校规明确说明，学生上体育课的时候必须穿运动鞋。